Variable Interest Entities (VIEs) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($) variable_interest_entity basisPoint mi MW	Dec. 31, 2023 USD ($) variable_interest_entity	Sep. 30, 2023 USD ($)
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 186,013.0	$ 177,489.0
TOTAL LIABILITIES	126,475.0	118,465.0
Investment in equity method investees	7,259.0	6,156.0
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	699.0	741.0
TOTAL LIABILITIES	$ 400.0	347.0
Electricity Transmission Line (in miles) | mi	280
Percentage of profits and losses	48.00%
Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities	$ 5,787.0	4,962.0
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member]
Variable Interest Entity [Line Items]
Total number of consolidated variable interest entities | variable_interest_entity	8
Carrying amount of assets, consolidated variable interest entity	$ 1,727.0	1,796.0
TOTAL LIABILITIES	$ 530.0	1,085.0
Solar generating facility capability (in megawatts) | MW	765
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Minimum
Variable Interest Entity [Line Items]
Ownership percentage	50.00%
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Maximum
Variable Interest Entity [Line Items]
Ownership percentage	67.00%
NextEra Energy Resources
Variable Interest Entity [Line Items]
Investment in equity method investees			$ 4,200.0
NextEra Energy Resources | Variable Interest Entities Wind and Solar PV Facilities [Member[
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 1,359.0	1,434.0
TOTAL LIABILITIES	$ 81.0	$ 79.0
Ownership percentage	10.00%
Wind electric generating facility capability (in megawatts) | MW	400
Solar generating facility capability (in megawatts) | MW	599
NextEra Energy Resources | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member]
Variable Interest Entity [Line Items]
Total number of consolidated variable interest entities | variable_interest_entity	26	33
Carrying amount of assets, consolidated variable interest entity	$ 19,831.0	$ 24,250.0
TOTAL LIABILITIES	$ 701.0	3,148.0
Wind electric generating facility capability (in megawatts) | MW	9,700
Solar generating facility capability (in megawatts) | MW	2,838
Solar Plus Storage Facility Capacity | MW	1,519
Florida Power & Light Company
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 96,190.0	91,469.0
TOTAL LIABILITIES	53,959.0	52,634.0
Florida Power & Light Company | Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities	$ 4,460.0	3,899.0
Subsidiaries of NEE [Member]
Variable Interest Entity [Line Items]
Number of variable interest entities with guarantees to obligations | basisPoint	1
Investment in equity method investees	$ 3,971.0	$ 3,913.0
Commitments To Increase (Decrease) In Equity Method Investments	$ 185.0